Home / 17,772.36-26,620.20-8,398.23

Finding the Fourth Proportional to 17,772.36, 26,620.20 and 8,398.23

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Solution

The fourth proportional to 17,772.36, 26,620.20 and 8,398.23 is: 12,579.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,772.36 : 26,620.20 = 8,398.23 : x
  2. Step 2: Convert to fraction form
    17,772.36/26,620.20 = 8,398.23/x
  3. Step 3: Cross multiply
    17,772.36x = 26,620.20 × 8,398.23
  4. Step 4: Simplify right side
    17,772.36x = 223,562,562.25
  5. Step 5: Solve for x
    x = 223,562,562.25/17,772.36
  6. Step 6: Final answer
    x = 12,579.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.